Stale IAAS policy attachment to role

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Id	ccdf3f87-7890-4549-9d0f-8f43c1d2751d
Rulename	Stale IAAS policy attachment to role
Description	The rule detects ‘IaaS policies’ attached to a role that has not used them during the past X days. It is recommended to remove unused policies from identities to reduce risk.
Severity	Informational
Tactics	PrivilegeEscalation Persistence
Techniques	T1098
Required data connectors	Authomize
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_IAAS_policy_attachment_to_role.yaml
Version	1.0.3
Arm template	ccdf3f87-7890-4549-9d0f-8f43c1d2751d.json

KQL

Authomize_v2_CL
| where ingestion_time() >= ago(30m)
| extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
| where Policy has "Stale IAAS policy attachment to role"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

entityMappings:
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: URL
tactics:
- PrivilegeEscalation
- Persistence
suppressionEnabled: false
suppressionDuration: 5h
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
alertDetailsOverride:
  alertDescriptionFormat: Stale IAAS policy attachment to role. The rule detects 'IaaS policies' attached to a role that has not used them during the past X days.It is recommended to remove unused policies from identities to reduce risk.
  alertSeverity: Severity
  alertnameFormat: Alert from Authomize - Stale IAAS policy attachment to role
  alertTactics: Tactics
  alertDynamicProperties:
  - value: URL
    alertProperty: AlertLink
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    groupByAlertDetails: []
    lookbackDuration: 5h
    groupByEntities: []
    groupByCustomDetails: []
    enabled: true
    matchingMethod: AnyAlert
  createIncident: true
id: ccdf3f87-7890-4549-9d0f-8f43c1d2751d
severity: Informational
eventGroupingSettings:
  aggregationKind: SingleAlert
status: Available
customDetails:
  AuthomizeEventID: EventID
  EventName: Policy
  ReferencedURL: URL
  EventDescription: Description
  EventRecommendation: Recommendation
query: |-
  Authomize_v2_CL
  | where ingestion_time() >= ago(30m)
  | extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
  | where Policy has "Stale IAAS policy attachment to role"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_IAAS_policy_attachment_to_role.yaml
kind: Scheduled
queryPeriod: 30m
version: 1.0.3
name: Stale IAAS policy attachment to role
queryFrequency: 30m
triggerThreshold: 0
relevantTechniques:
- T1098
description: The rule detects 'IaaS policies' attached to a role that has not used them during the past X days. It is recommended to remove unused policies from identities to reduce risk.
triggerOperator: gt

ARM